PLAYER PAGE
Juan De Clerk
1100132103Cape Town (WCT)Personal
Main rating
| Rating | 1363.4 |
| K-factor | 36 |
| Floor | 871.9 |
| Highest | 1371.9 (2025-05-05) |
| Min/Max +/- allowed | 130 |
| Rating Change () | |
| Games | 6 |
| Score | 4 |
| We | 3.55 |
| SWe | 0.38 |
| Temp +/- | 13.6 |
| Penalties | 0 |
| Weight perform | 1290.4 |
| Final +/- | 13.6 |
| New Rating () | |
| Rating | 1377 |
| K-factor | 36 |
| Floor | 877 |
| Highest | 1377 (2026-03-01) |
| Min/Max +/- allowed | 128.9 |
Standard rating
| Rating | 1334 |
| K-factor | 36 |
| Floor | 834 |
| Highest | 1334 (2025-11-01) |
| Min/Max +/- allowed | 137 |
| Rating Change () | |
| Games | 6 |
| Score | 4 |
| We | 3.46 |
| SWe | 0.54 |
| Temp +/- | 19.4 |
| Penalties | 0 |
| Weight perform | 1290.4 |
| Final +/- | 19.4 |
| New Rating () | |
| Rating | 1353.4 |
| K-factor | 36 |
| Floor | 853.4 |
| Highest | 1353.4 (2026-03-01) |
| Min/Max +/- allowed | 133.3 |
Rapid rating
| Rating | 1284 |
| K-factor | 36 |
| Floor | 784 |
| Highest | 1284 (2024-10-01) |
| Min/Max +/- allowed | 147.1 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1089.6 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1284 |
| K-factor | 36 |
| Floor | 784 |
| Highest | 1284 (2024-10-01) |
| Min/Max +/- allowed | 147.1 |
Blitz rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2018-10-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | CT Metro North Schools Chess Individual Trials 2026 (U17 Boys) | Standard | 2026-02-14 | 2026-02-15 | Cape Town | 6 | 1363.4 | 6 | 4 | 1427 | 13.6 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Cape Town Chess Federation Club League 2025 (D) | Classical | 2025-07-26 | 2025-09-27 | Cape Town (WCT) | 11 | 1309.1 | 5 | 4 | 1558.1 | 0 | Details |
| 2 | Cape Town Metro North Top Schools 2025 (U15) | Standard | 2025-08-01 | 2025-08-02 | Cape Town (WCT) | 5 | 1311.2 | 5 | 2 | 1328.2 | 0 | Details |
| 3 | Bellville Club Championship 2025 (B) | Standard | 2025-03-03 | 2025-05-26 | Cape Town (WCT) | 9 | 1371.9 | 9 | 2.5 | 1185.6 | 0 | Details |
| 4 | Western Cape Schools Individual Championship 2025 (U15 Boys) | Standard | 2025-04-26 | 2025-04-27 | West Coast (WCU) | 6 | 1314.3 | 6 | 3 | 1440.3 | 0 | Details |
| 5 | CT Metro Schools Individual Closed 2025 (U15 Open) | Standard | 2025-03-01 | 2025-03-02 | Cape Town (WCT) | 6 | 1263.8 | 6 | 3.5 | 1498.3 | 0 | Details |
| 6 | CT Metro North Schools Chess Individual Trials 2025 (U15 Open) | Standard | 2025-02-08 | 2025-02-09 | Cape Town (WCT) | 6 | 1255.8 | 6 | 3.5 | 1293.4 | 0 | Details |
| 7 | CBC Rapid Chess Tournament 2024 (U14) | Rapid | 2024-09-14 | 2024-09-14 | Cape Town (WCT) | 6 | 1199.4 | 6 | 5.5 | 1569.9 | 0 | Details |
| 8 | Steinitz Chess Festival 2024 (Open Rapid) | Rapid | 2024-05-11 | 2024-05-11 | Cape Town (WCT) | 6 | 1195.5 | 6 | 2.5 | 1227.9 | 0 | Details |
| 9 | Cape Town Open Rapid Chess Championship 2024 (U14) | Rapid | 2024-03-16 | 2024-03-16 | Cape Town (WCT) | 6 | 1212 | 6 | 2 | 1155.5 | 0 | Details |
| 10 | Chas Everitt and MHI Attorneys Rapid 2024 (B) | Rapid | 2024-03-09 | 2024-03-09 | Cape Town (WCT) | 6 | 1212 | 5 | 1 | 1132.7 | 0 | Details |
| 11 | Cape of Good Hope Open Chess Tournament 2024 (U14) | Rapid | 2024-02-17 | 2024-02-17 | Cape Town (WCT) | 6 | 1193.5 | 6 | 3.5 | 1304.4 | 0 | Details |
| 12 | Western Cape Closed Championship 2023 (U14) | Rapid | 2023-09-23 | 2023-09-23 | Cape Town (WCT) | 6 | 1176.2 | 6 | 3 | 1289 | 0 | Details |
| 13 | Steinitz Open 2022 (C) | Standard | 2022-05-21 | 2022-05-22 | Cape Town (WCT) | 5 | 1181.2 | 4 | 1 | 1152 | 0 | Details |
| 14 | Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U14) | Rapid | 2022-02-19 | 2022-02-19 | Cape Town (WCT) | 5 | 1157 | 5 | 3 | 1321.1 | 0 | Details |
| 15 | 2020 Welgemoed Chess Challenge (U12) | Rapid | 2020-02-29 | 2020-02-29 | Cape Town (WCT) | 5 | 1200 | 5 | 1 | 885.7 | 0 | Details |
Game statistics ( )
| Games | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 0 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | 0 |
| AOR | 0 |
| Performance | 0 |
Game statistics ()
| Games | 6 |
| Wins | 4 |
| Draws | 0 |
| Losses | 2 |
| White | 3 |
| Black | 3 |
| White wins | 2 |
| Black wins | 2 |
| Score | 4 |
| Percent | 66.7 |
| Dp | 141.7 |
| AOR | 1285.3 |
| Performance | 1427 |
Game statistics (History)
| Games | 92 |
| Wins | 42 |
| Draws | 6 |
| Losses | 44 |
| White | 43 |
| Black | 49 |
| White wins | 19 |
| Black wins | 23 |
| Score | 45 |
| Percent | 48.9 |
| Dp | -9.2 |
| AOR | 1309.7 |
| Performance | 1300.5 |
Rankings (Main)
| National | |
| Overall | 4080 |
| Gender | 3423 |
| Age group | 637 |
| Gender/Age | 524 |
| Provincial | |
| Overall | 1243 |
| Gender | 998 |
| Age group | 186 |
| Gender/Age | 140 |
| Regional | |
| Overall | 598 |
| Gender | 512 |
| Age group | 69 |
| Gender/Age | 58 |
Rankings (Standard)
| National | |
| Overall | 4383 |
| Gender | 3656 |
| Age group | 700 |
| Gender/Age | 577 |
| Provincial | |
| Overall | 1255 |
| Gender | 983 |
| Age group | 188 |
| Gender/Age | 142 |
| Regional | |
| Overall | 609 |
| Gender | 506 |
| Age group | 71 |
| Gender/Age | 58 |
Rankings (Rapid)
| National | |
| Overall | 2247 |
| Gender | 1835 |
| Age group | 294 |
| Gender/Age | 240 |
| Provincial | |
| Overall | 974 |
| Gender | 778 |
| Age group | 134 |
| Gender/Age | 105 |
| Regional | |
| Overall | 422 |
| Gender | 368 |
| Age group | 44 |
| Gender/Age | 38 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 6 |
| Score | 4 |
| Percent | 66.7 |
| Aor | 1285.3 |
| Dp | 141.7 |
| Prat | 1427 |
Performance (12 months)
| Games | 31 |
| Score | 15.5 |
| Percent | 50 |
| Aor | 1364.7 |
| Dp | 0 |
| Prat | 1364.7 |
Performance (History)
| Games | 92 |
| Score | 45 |
| Percent | 48.9 |
| Aor | 1309.7 |
| Dp | -9.2 |
| Prat | 1300.5 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Smith, S (Shiloh) | 3 | 1 | 2 | Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U14) | Cape Town Metro North Top Schools 2025 (U15) | Details |
| Overall | 2 | Ashworth, DA (Dylan Adrian) | 2 | 1 | 1 | Cape Town Open Rapid Chess Championship 2024 (U14) | CT Metro Schools Individual Closed 2025 (U15 Open) | Details |
| Overall | 3 | Els, A (Aiden) | 2 | 2 | 0 | Western Cape Closed Championship 2023 (U14) | CT Metro Schools Individual Closed 2025 (U15 Open) | Details |
| Rapid | 1 | Smith, S (Shiloh) | 2 | 1 | 1 | Laerskool Welgemoed 12th Annual Chess Challenge 2022 (U14) | Chas Everitt and MHI Attorneys Rapid 2024 (B) | Details |